It was reported that during a cryo ablation procedure, it was noted that the physician had a difficult time finding the right inferior pulmonary vein (ripv) and the mapping catheter may have entered into an intermediate small right pulmonary vein.Soon after, the patient started to cough and the nurse noticed blood was being expectorated.The physician stopped the catheter manipulation to check on the patient and consulted with vascular experts.Medication was administered to reverse the bleeding.The bleeding stopped quickly and the patient stopped coughing.The case was aborted.The patient was ok and a scan was performed which revealed some bleeding around the small intermediate right pulmonary vein that was stable.No further patient complications have been reported as a result of this event.Additional information reported that a perforation was suspected due to the strong push on the mapping catheter into the small vein.Furthermore, it was confirmed that when the perforation occurred, the sheath, balloon catheter, and mapping catheter were all in the heart.
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